Newest blender 2.8: Object visible in render button missing
Render Icon it's hidden by default

You have to enable it from the Filter sub-menu.

Look for the camera icon in the Restriction Toggles section.



It has been hidden by default in order to tide up things a bit.

As you can see, now there are many possible controls you can enable/disable for the outliner, so they decided it was better to give the user the choice to costumize the right column.

You can see Pablo discussing this aspect in one of the Blender today videos: 

https://youtu.be/GUa1jC01d_E?t=2093